When tropical and subtropical congeners met: Multiple ancient hybridization events within Eriobotrya in the Yunnan-Guizhou Plateau, a tropical-subtropical transition area in China

doi:10.1111/mec.16325

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	When tropical and subtropical congeners met: Multiple ancient hybridization events within Eriobotrya in the Yunnan-Guizhou Plateau, a tropical-subtropical transition area in China
	Chen,Sufang ; Milne,Richard ; Zhou,Renchao ; Meng,Kaikai ; Yin,Qianyi ; Guo,Wei ; Ma,Yongpeng ; Mao,Kangshan ; Xu,Kewang ; Kim,Young-Dong ; Truong Van Do 8,9; Liao,Wenbo ; Fan,Qiang
	2022
发表期刊	MOLECULAR ECOLOGY
ISSN	0962-1083
卷号	31 期号:5 页码:1543-1561
摘要	Global climate changes during the Miocene may have created ample opportunities for hybridization between members of tropical and subtropical biomes at the boundary between these zones. Yet, very few studies have explored this possibility. The Yunnan-Guizhou Plateau (YGP) in Southwest China is a biodiversity hotspot for vascular plants, located in a transitional area between the floristic regions of tropical Southeast Asia and subtropical East Asia. The genus Eriobotrya (Rosaceae) comprises both tropical and subtropical taxa, with 12 species recorded in the YGP, making it a suitable basis for testing the hypothesis of between-biome hybridization. Therefore, we surveyed the evolutionary history of Eriobotrya by examining three chloroplast regions and five nuclear genes for 817 individuals (47 populations) of 23 Eriobotrya species (including 19 populations of 12 species in the YGP), plus genome re-sequencing of 33 representative samples. We concluded that: (1) phylogenetic positions for 16 species exhibited strong cytonuclear conflicts, most probably due to ancient hybridization; (2) the YGP is a hotspot for hybridization, with 11 species showing clear evidence of chloroplast capture; and (3) Eriobotrya probably originated in tropical Asia during the Eocene. From the Miocene onwards, the intensification of the Eastern Asia monsoon and global cooling may have shifted the tropical-subtropical boundary and caused secondary contact between species, thus providing ample opportunity for hybridization and diversification of Eriobotrya, especially in the YGP. Our study highlights the significant role that paleoclimate changes probably played in driving hybridization and generating rich species diversity in climate transition zones.
关键词	chloroplast capture Eriobotrya genome resequencing global cooling multiple ancient hybridization tropical and subtropical zones CHLOROPLAST CAPTURE HYBRID SPECIATION CLIMATE DIVERSIFICATION COLONIZATION PERFORMANCE DISCOVERY SOFTWARE SUGGEST HISTORY
DOI	10.1111/mec.16325
收录类别	SCI
WOS记录号	WOS:000736144600001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/73484
专题	中国科学院昆明植物研究所
作者单位	1.Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangzhou, Peoples R China 2.Sun Yat Sen Univ, Sch Life Sci, Guangdong Prov Key Lab Plant Resources, Guangzhou, Peoples R China 3.Univ Edinburgh, Inst Mol Plant Sci, Edinburgh, Midlothian, Scotland 4.Zhongkai Univ Agr & Engn, Dept Hort & Landscape Architecture, Guangzhou, Peoples R China 5.Chinese Acad Sci, Kunming Inst Bot, Kunming Bot Garden, Kunming, Yunnan, Peoples R China 6.Sichuan Univ, Coll Life Sci, Key Lab Bioresource & Ecoenvironm,Minist Educ, State Key Lab Hydraul & Mt River Engn, Chengdu, Peoples R China 7.Nanjing Forestry Univ, Coll Biol & Environm, Coinnovat Ctr Sustainable Forestry Southern China, Nanjing, Peoples R China 8.Hallym Univ, Multidisciplinary Genome Inst, Dept Life Sci, Chunchon, South Korea 9.Vietnam Acad Sci & Technol, Vietnam Natl Museum Nat, Hanoi, Vietnam 10.Grad Univ Sci & Technol, Vietnam Acad Sci & Technol, Hanoi, Vietnam
推荐引用方式 GB/T 7714	Chen,Sufang,Milne,Richard,Zhou,Renchao,et al. When tropical and subtropical congeners met: Multiple ancient hybridization events within Eriobotrya in the Yunnan-Guizhou Plateau, a tropical-subtropical transition area in China[J]. MOLECULAR ECOLOGY,2022,31(5):1543-1561.
APA	Chen,Sufang.,Milne,Richard.,Zhou,Renchao.,Meng,Kaikai.,Yin,Qianyi.,...&Fan,Qiang.(2022).When tropical and subtropical congeners met: Multiple ancient hybridization events within Eriobotrya in the Yunnan-Guizhou Plateau, a tropical-subtropical transition area in China.MOLECULAR ECOLOGY,31(5),1543-1561.
MLA	Chen,Sufang,et al."When tropical and subtropical congeners met: Multiple ancient hybridization events within Eriobotrya in the Yunnan-Guizhou Plateau, a tropical-subtropical transition area in China".MOLECULAR ECOLOGY 31.5(2022):1543-1561.

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